Intramolecular double Michael reaction. Part II. Synthesis of isoatisirene type compound |
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| Authors: | Masataka Ihara Masahiro Toyota Keiichiro Fukumoto Tetsuji Kametani |
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| Affiliation: | 1. Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980, Japan;2. Institute of Medicinal Chemistry, Hoshi University, Ebara 2-4-41, Shinagawa-ku, Tokyo 142, Japan |
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| Abstract: | Intramolecular double Michael reaction of the α,β-unsaturated enone ester (16), prepared from the dienone (5), stereoselectively gave the tetracyclic product (17), which was converted into the isoatisirene type compound (20). |
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